Home / 818,697.22-1,227,013.83-438,675.46

Finding the Fourth Proportional to 818,697.22, 1,227,013.83 and 438,675.46

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Solution

The fourth proportional to 818,697.22, 1,227,013.83 and 438,675.46 is: 657,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,697.22 : 1,227,013.83 = 438,675.46 : x
  2. Step 2: Convert to fraction form
    818,697.22/1,227,013.83 = 438,675.46/x
  3. Step 3: Cross multiply
    818,697.22x = 1,227,013.83 × 438,675.46
  4. Step 4: Simplify right side
    818,697.22x = 538,260,856,301.61
  5. Step 5: Solve for x
    x = 538,260,856,301.61/818,697.22
  6. Step 6: Final answer
    x = 657,460.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.